Convex Combination Filtered-X Algorithms for Active Noise Control Systems

A Filtered-X RLS Algorithm for Nonlinear Active Noise Control

In this paper, a filtered-x recursive least squares (FX-RLS) algorithm based on adaptive 3rd-order Volterra filtering is proposed for nonlinear active noise control (ANC) of systems with a nonlinear primary acoustic path. The simulation results show that the proposed approach yields faster convergence, compared with the conventional methods (e.g., FX-NLMS and FX-GSPAP), for the nonlinear ANC. K...

New multichannel modified filtered-x algorithms for active noise control using the dichotomous coordinate descent method

Filtered-X Affine Projection Algorithms for Active Noise Control Using Volterra Filters

We consider the use of adaptive Volterra filters, implemented in the form of multichannel filter banks, as nonlinear active noise controllers. In particular, we discuss the derivation of filtered-X affine projection algorithms for homogeneous quadratic filters. According to the multichannel approach, it is then easy to pass from these algorithms to those of a generic Volterra filter. It is show...

Fast implementations of the filtered-X LMS and LMS algorithms for multichannel active noise control

{ In some situations where active noise control could be used, the well-known multichannel version of the ltered{X LMS adaptive lter is too computationally-complex to implement. In this paper, we develop a fast, exact implementation of this adaptive lter for which the system's complexity scales according to the number of lter coeecients within the system. In addition, we extend computationally-...

Sparsity-Aware Filtered-X Affine Projection Algorithms for Active Noise Control

This paper describes a novel technique for promoting sparsity in the modified filtered-x algorithms required for active noise control. The proposed algorithms are based on recent techniques incorporating approximations to the l0-norm in the cost functions that are used to derive adaptive filtering algorithms. In particular, zero-attracting and reweighted zeroattracting filtered-x adaptive algor...